<template>
  <view>
  <view class="goods-list">
    <view v-for="(item,index) in goodsList" :key="index" @click="gotoDetail(item)">
     <my-goods :item="item"></my-goods>
    </view>
  </view>
    </view>
</template>

<script>
  export default {
    data() {
      return {
        // 请求参数对象
        queryObj:{
          query:'',
          cid:'',
          pagenum:1,
          pagesize:10
        },
        goodsList:[],
        total:0,
        isLoading:false
      };
    },
    methods:{
      // 获取商品列表数据的方法
      getGoodsList(callback){
        this.isLoading = true
        uni.request({
          url:'https://api-hmugo-web.itheima.net/api/public/v1/goods/search',
          query:this.queryObj,
          method:'GET',
          success:(res)=>{
             this.isLoading=false
             callback&&callback()
            this.goodsList = [...this.goodsList,...res.data.message.goods]
            this.total = res.data.message.total
          }
        })
      },
      gotoDetail(item){
        uni.navigateTo({
          url:'/subpkg/goods_detail/goods_detail?goods_id='+item.goods_id
        })
      }
    },
    onLoad(options) {
      this.queryObj.query = options.query || ''
      this.queryObj.cid = options.cid || ''
      this.getGoodsList()
    },
    onReachBottom(){
      if(this.queryObj.pagenum*this.queryObj.pagesize>=this.total) return uni.$shopMsg('数据加载完毕')
      if(this.isLoading) return
      // 让页码值自增加一
      this.queryObj.pagenum++
      this.getGoodsList()
    },
    onPullDownRefresh() {
      //重置关键数据
      this.queryObj.pagenum=1
      this.total=0
      this.isLoading=false
      this.goodsList=[]
      // 重新发起数据请求
     this.getGoodsList(()=>uni.stopPullDownRefresh())
    }
  }
</script>

<style lang="scss">

</style>
